Outlook Closes Automatically -- No error message or repeatable action to test

Question

_{Thursday, August 2, 2018 1:28 PM}

Outlook closes on me... Sometimes, and not in a definite way. But it seems like it is related to specific messages.

A colleague sent me a message, then...

I write full reply (3-4 minutes of typing), outlook closes. (Note:Draft not saved)

I click reply, outlook closes.

I start typing a reply (a few seconds), outlook closes.

I use the scrollbar to see previous messages in the conversation, outlook closes.

This time it worked and I was able to send it.

Whats weird is that sometimes the action that caused Outlook to close will not cause Outlook to close another time. 

I have disabled all non-microsoft COM addins.

Event Viewer Details

Faulting application name: OUTLOOK.EXE, version: 16.0.4717.1000, time stamp: 0x5b1fde61

Faulting module name: mso.dll, version: 16.0.4717.1000, time stamp: 0x5b1fde06
Exception code: 0xc0000005
Fault offset: 0x0000000000aa2105
Faulting process id: 0x2fd4
Faulting application start time: 0x01d42a314516714e
Faulting application path: C:\Program Files\Microsoft Office\Office16\OUTLOOK.EXE
Faulting module path: C:\Program Files\Common Files\Microsoft Shared\Office16\mso.dll
Report Id: 3c494fec-edf5-4bab-8bf6-282d1ca88485
Faulting package full name: 
Faulting package-relative application ID: 

Im not sure what is in mso.dll but everytime the error in event viewer is the same. ...I'd honestly just prefer to get a stacktrace...

All replies (4)

_{Friday, August 3, 2018 2:58 AM}

Hi Thomas,

Is this a recently occurred issue after any updates to Windows or Office?
Does this problem affect other users in your environment?

Please try repairing Office via Control Panel and see if there is any improvement.

If the issue persists, it is suggested to try creating a new Outlook profile to check the result. This helps eliminate whether the problem is related to a corrupt profile.

Hope this can be helpful.

Regards,

Yuki Sun

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Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.

_{Monday, August 6, 2018 12:19 PM}

Hello,

Microsoft Outlook stops functioning and crash when PST data file is corrupted. Since your Outlook closes automatically while working, chance PST file corruption or profile damage is very high. 

First of all, try to open Outlook in safe mode to check whether your MS Outlook works properly in safe mode without any add-ins. Still, if it is not resolved, then try to create Outlook profile again or to repair MS Office manually as suggested by Moderator ‘Yuki Sun’. This may help you to fix minor PST file problems easily.

If your Outlook PST file if highly corrupted, these manual solutions would not be that helpful. To is better to repair Outlook PST files using a reliable third-party application like SysTools Outlook PST Repair & Recover Software. 

Hope this may help you. 
Thanks & Regards,
Bruce Anderson

_{Wednesday, August 8, 2018 8:20 AM}

Hi Thomas,

Just checked in to see how everything is going on with the issue. Was the problem resolved? 

Regards,

Yuki Sun

Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact [email protected].

Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.

_{Friday, August 10, 2018 9:10 AM}

Hi Thomas,

Any update on the issue? If any reply above was helpful, it would be appreciated that you can help mark it as answer to close the thread so that others who might have a similar issue can benefit from your thread.

Regards,

Yuki Sun

Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact [email protected].

Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.